This Zero Water Pitcher Filter is combined with technologies to make this the only filtered water that meets the FDA requirements for purified bottled water. ZeroWater offers a recycling program for their gravity filter cartridges, currently applicable to only U.S. customers. This will help to keep plastic bottles from going into landfills and the trash. Additionally, this water filter replacement helps to remove practically all dissolved solids from your tap water such as chlorine taste, unpleasant odors, lead, mercury, chromium, aluminum, zinc and nitrate.